A. Williams, F. Ouchen, Steve S. Kim, Y. Ngo, S. Elhamri, S. Mou, G. Kozlowski, R. Naik, J. Grote
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Investigation of a DNA nucleobase as a gate dielectric for potential application in a graphene-based field effect transistor
In this study, we investigated the effect of substrates on the electrical properties of transferred graphene. A wide range of substrates such as silicon carbide (SiC), glass, kapton, photo-print paper, polydimethylsiloxane (PDMS) and Willow glass were selected based on their surface properties, flexibility and lattice match. Four monolayers of graphene were transferred onto each of these substrates. A comparative study of the electrical characteristics of the transferred graphene film only and graphene/guanine film on the different substrates was undertaken.